These types of water system supply water to 25 or more of the same people for at least six months per year in places other than their residences. Neilson Research Corporation provides analytical testing for schools, hospitals and workplaces to meet these requirements. Our staff provides unquestionable data to satisfy regulatory authorities under the Safe Drinking Water Act.
Routine Chemical Monitoring
Non-transient/Non-community Water Systems are subject to the following requirements for the 2017-2020 compliance period.
| Chemicals
|
Surface Water
|
Ground Water
|
| Inorganics | Yearly
|
One
|
| Nitrate | Quarterly
|
Yearly
|
| Volatile Organics | Yearly
|
One
|
| Disinfection Byproducts | Quarterly
|
Yearly
|
| Synthetic Organics | One
|
|
| Nitrite | One
|
|
| Asbestos | One
|
|
| Radionuclides | 4 consecutive quarters
|
|
| Lead and Copper | One round
|
|
This table describes base line monitoring only. You will find details on number, location and timing of samples at www.oregon.gov/DHS/ph/dwp.